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15. Troubleshooting
Even though the model and the remote control system were built to the state of the art, there may still be malfunctions
or faults. For this reason, we would like to give you some information on how to deal with possible problems.
Problem
The transmitter does not respond.
The transmitter goes off straight
away or after a short while.
The range of the system is very
short.
The model doesn't respond
The rotors do not start and the LED
on the receiver/control unit flashes
constantly.
Remedy
• Check the batteries or rechargeable batteries in the remote control.
• Check the polarity of the batteries.
• Check the on/off switch.
• Check the labelling of the crystals.
• Carry out crystal change to a different channel.
• Check the batteries in the remote control or replace them.
• Pull out the transmitter aerial to its full length.
• Check the batteries or rechargeable batteries in the transmitter and
model.
• Check receiver antenna for damage and electrical continuity.
• Check battery of model.
• Check the labelling of the crystals.
• Carry out crystal change to a different channel.
• Slide the control stick for the pitch function to the bottom position (engine
off) and additionally slide the trim slider for the pitch function into the
bottom position. Then connect the rechargeable battery and check the
function of the helicopter.